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Nicholas Becomes Post-Tropical Near Marsh Island Along The Central Louisiana Coast

Post-Tropical Cyclone

Tropics Forecast Cone at 5:05 Thursday Morning, September 16th
Tropics Forecast Cone at 5:05 Thursday Morning, September 16th

Location 140 miles SSE of Alexandria Louisiana
Wind 25 mph
Heading N at 2 mph
Pressure 29.74
Coordinates 91.6W, 29.4N


At 400 AM CDT (0900 UTC), the center of Post-Tropical Cyclone Nicholas was located near latitude 29.4 North, longitude 91.6 West. The post-tropical cyclone is nearly stationary, but is expected to drift slowly north over the next couple days.

Maximum sustained winds are near 25 mph (35 km/h) with higher gusts. Additional slight weakening is expected today.

The estimated minimum central pressure is 1007 mb (29.74 inches).

The center of Nicholas may become ill-defined over the next couple days as it struggles to develop minimal thunderstorm activity near its center.

Tropics Satellite at 5:41 Thursday Morning, September 16th

Watches and Warnings

Flash Flood Watches are in effect along the central Gulf Coast from portions of southeast Louisiana, across southern Mississippi and Alabama, to the Florida Panhandle.

Tropics Models at 4:42 Thursday Night, September 16th

Land Hazards

RAINFALL: Nicholas is expected to produce additional rainfall amounts of 2 to 4 inches across the central Gulf coast Friday, with isolated storm totals of 12 inches possible. Flash flooding impacts, especially in urban areas, are possible across these regions.

Widespread minor river flooding is expected, while scattered moderate river flooding is possible, across portions of southeastern Louisiana, southern Mississippi, southern Alabama, and the Florida Panhandle.

For the latest rainfall reports and wind gusts associated with Tropical Depression Nicholas see the companion storm summary at WBCSCCNS4 with the WMO header ACUS44KWBC or at the following link https://www.wpc.ncep.noaa.gov/discussions/nfdscc4.html